//引入该flexible.min.js
! function(e, t) {
	function n() {
		var n = l.getBoundingClientRect().width;
		t = t || 540, n > t && (n = t);
		var i = 100 * n / e;
		r.innerHTML = "html{font-size:" + i + "px;}"
	}
	var i, d = document,
		o = window,
		l = d.documentElement,
		r = document.createElement("style");
	if(l.firstElementChild) l.firstElementChild.appendChild(r);
	else {
		var a = d.createElement("div");
		a.appendChild(r), d.write(a.innerHTML), a = null
	}
	n(), o.addEventListener("resize", function() {
		clearTimeout(i), i = setTimeout(n, 300)
	}, !1), o.addEventListener("pageshow", function(e) {
		e.persisted && (clearTimeout(i), i = setTimeout(n, 300))
	}, !1), "complete" === d.readyState ? d.body.style.fontSize = "16px" : d.addEventListener("DOMContentLoaded", function(e) {
		d.body.style.fontSize = "16px"
	}, !1)
}(750, 750);